NASA astronaut Sunita Williams turns farmer, leads an innovative agricultural experiment in space. Here's why

Sunita Williams, who is stuck in space for more than seven months, is leading groundbreaking research with a not-so-easy-to-guess ‘lettuce’. Sunita Williams is leading innovative research aboard the ISS by growing romaine lettuce in microgravity, but it's not for her dinner. Williams’s work goes beyond plant growth as her efforts contribute to NASA’s broader goals of creating self-sustaining habitats in space.